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12 August, 07:07

I have 345mL of a 1.5M NaCl solution. If I boil the water until the volume of the solution is 250mL, what will the molarity of the solution be?

A. 28.5M

B. 1.07M

C. 2.07M

D. 1.5M

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Answers (1)
  1. 12 August, 07:34
    0
    Answer is

    C. 2.07 M

    For explanation

    M1V1 = M2V2

    M2 = (M1V1) / V2

    M2 = (1.5M x 345ml) / 250 ml

    :. M2 = 2.07 M
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